@import url("https://asset.msi.com/event/nb/2018/Prestige_Limited_Edition/css/Fonts_CenturyGothic.css");

body {
    margin: 0;
    padding: 0;
}

#nb-summit {
    position: relative;
    background: #fff;
    font-family: "CenturyGothic", "Microsoft JhengHei", "Meiryo UI",Arial,sans-serif;
    font-size: 20px;
    color: #55595b;
    z-index: 0;
    overflow: hidden;
}

/*                          controller                       */
#nb-summit .kv__hl-m {
    display: none;
} 

/* #nb-summit .articles {
    display: none;
} */

#nb-summit .video__video-img-mobile {
    display: none;
}

/*                          section1. kv                        */
#nb-summit .kv {
    position: relative;
    background-image: url(https://storage-asset.msi.com/event/2020/nb/Summit-Series/images/kv/kv-new.jpg);
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    width: 100%;
    height: 100vh;
}

#nb-summit .kv__logo {
    position: absolute;
    z-index: 2;
    width: 5%;
    max-width: 150px;
    top: 6vh;
    left: 5vw;
}

#nb-summit .kv__logo img {
    width: 8vw;
}

#nb-summit .kv__logo img:hover {
    cursor: pointer;
}

/* text */
#nb-summit .kv__text-wrapper {
    position: absolute;
    z-index: 1;
    top: 16%;
    left: 3%;
    color: #636668;
    line-height: 1.8;
}
  
#nb-summit .kv__title-main {
    font-size: 5vw;
    color: #e9c79a;
    background: -webkit-linear-gradient(-55deg,#a58253 0,#a58253 30%, #ffdeb3 45%,#a58253 60%, #a58253 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1em;
}

#nb-summit .kv__title-sub {
    font-size: 1.8vw;
    color: #e9c79a;
    background: -webkit-linear-gradient(35deg,#d49543 0,#e9c79a 26%,#fce1a0 50%,#fce1a0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

#nb-summit .kv__title-third {
    font-size: 1.8vw;
    color: #e9c79a;
    background: -webkit-linear-gradient(35deg,#d49543 0,#e9c79a 26%,#fce1a0 50%,#fce1a0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

#nb-summit .kv__vl {
    border-left: 2px solid #fce1a0;
    height: 15vh;
}

/* buy now - button */
#nb-summit .kv__btn {
    text-decoration: none;
    display: inline-block;
    text-align: center;
    vertical-align: middle;
    cursor: pointer;
    text-shadow: 0 -1px 0 rgba(0,0,0,.25);
    letter-spacing: 0;
    line-height: 1.2;
    background-color: #c49f46;
    background-image: linear-gradient(to right, #c4ae81 0%, #ecdeca 51%, #c4ae81 100%);
    font-size: 1.2vw;
    padding: 8px 35px;
    border:none;
    color: #000;
    margin-top: 2vh;
}

/* intel icon */
#nb-summit .kv__intel {
    position: absolute;
    z-index: 1;
    right: 5vw;
    top: 5vh;
    display: -webkit-box;
    display: -ms-flexbox;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
  }
  
#nb-summit .kv__intel-icon {
    -webkit-box-ordinal-group: 3;
        -ms-flex-order: 2;
            order: 2;
    -webkit-box-flex: 0;
        -ms-flex: 0 0 90px;
            flex: 0 0 90px;
}

#nb-summit .kv__intel-icon img {
    width: 70px;
}
  
#nb-summit .kv__intel-text {
    color: #fbf1d1;
    text-align: right;
    padding-right: 15px;
    font-size: 12px;
}

/* decoration */
#nb-summit .kv__decoration-title {
    position: absolute;
    bottom: 0;
    font-weight: bold;
    font-size: 250px;
    text-align: center;
    width: 100%;
    line-height: 0.9;
    letter-spacing: 0.5vw;
}

#nb-summit .kv__decoration-title--fontColor {
    color: #e9c79a;
    background: -webkit-linear-gradient(#c49f46 0,#e9c79a 50%,#d49543 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    opacity: 0.2;
}

#nb-summit .kv__decoration-mask {
    width: 100%;
    height: 0.6vh; 
    background-color: rgb(0, 0, 0); 
    position: absolute; 
    bottom: 0;
}

/*                          section2. WTB - Summit Series                        */
#nb-summit .wtb {
    position: relative;
    width: 100%;
    height: 100vh;
    background-color: #000000;
}

/* framework */
#nb-summit .wtb__left-block {
    float: left;
    width: 16%;
    height: 100vh;
}

#nb-summit .wtb__content {
    float: left;
    width: 36%;
    height: 100vh;
}

#nb-summit .wtb__right-block {
    float: left;
    width: 16%;
    height: 100vh;
}


#nb-summit .wtb__content-inner-wrapper {
    width: 100%; 
    height: 90vh; 
    top: 50%; 
    transform: translateY(-50%); 
    position: relative;
}

#nb-summit .wtb__product {
    position: relative;
    float: left;
    width: 32%;
    height: 100vh;
}

#nb-summit .wtb__content-title {
    color: #e9c79a;
    background: -webkit-linear-gradient(#c49f46 0,#e9c79a 50%,#d49543 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: bold;
    font-size: 3vw;
    padding-top: 5vh;
}

#nb-summit .wtb__content-des {
    font-size: 1vw;
    color: rgb(238,205,153);
    padding-right: 5vw;
    line-height: 1.6;
}

#nb-summit .wtb__content-inner-wrapper a {
    text-decoration: none;
}

#nb-summit .wtb__content-des-more {
    text-align: right;
    font-size: 1vw;
    color: #eecd99;
    padding-right: 6vw;
    padding-top: 1vh;
}

#nb-summit .wtb__content-des-more:hover {
    color: #917442;
}

#nb-summit .wtb__content-spec-title {
    color: #e9c79a;
    background: -webkit-linear-gradient(#c49f46 0,#e9c79a 50%,#d49543 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: bold;
    font-size: 1.5vw;
    padding-top: 6vh;
}

#nb-summit .wtb__content-spec-info {
    display: inline-block;
    width: 48%;
}

#nb-summit .wtb__content-spec-info .wtb__content-spec-sub-E {
    color: #e9c79a;
    background: -webkit-linear-gradient(#c49f46 0,#e9c79a 50%,#d49543 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: bold;
    font-size: 1.4vw;
}

#nb-summit .wtb__content-spec-info .wtb__content-spec-sub-B {
    color: rgb(164,192,221);
    font-weight: bold;
    font-size: 1.4vw;
}

#nb-summit .wtb__content-spec-info .wtb__content-spec-icon-wrapper .wtb__content-spec-icon {
    float: left;
    margin-right: 0.5vw;
}

/* spec modal */
#nb-summit .wtb__content-spec-icon .wtb__content-spec__model-btn {
    position: relative;
    margin: 0 1.2vw;
} 

#nb-summit .wtb__content-spec-icon .wtb__content-spec__model-btn .active, button:hover {
    cursor: pointer;
    box-shadow: 0 0 20px #e9c79a, 0px 0px 20px rgb(79,116,146) inset;
    -webkit-box-shadow: 0 0 20px #e9c79a, 0px 0px 20px #4f7492 inset;
    -moz-box-shadow: 0 0 20px #e9c79a, 0px 0px 20px #4f7492 inset;
}

/* triangle double line */
.modelbtn {
    position: relative;
    background: none;
    border: transparent 2px solid;
    width: 50px;
    height: 50px;
    -webkit-transform: rotate(45deg);
            transform: rotate(45deg);
    -webkit-transform-origin: center center;
            transform-origin: center center;
    margin: 20px 0;
    outline: none;
}

.modelbtn--gold {
    border-color: #e4c492;
    color: #e4c492;

    outline: 1px solid #e4c492;
    outline-offset: 2px;
}

.modelbtn--blue {
    border-color: rgba(164,192,221);
    color: rgba(164,192,221);
}

.modelbtn span {
    -webkit-transform: rotate(-45deg);
            transform: rotate(-45deg);
    justify-content: center;
    align-items: center;
    display: flex;
    font-size: 1vw;
}

/* img */
#nb-summit .wtb__product .wtb__product-img {
    margin-top: 14vh;
}

#nb-summit .wtb__product .wtb__product-img img {
    width: 80%;
    margin-left: 2vw;
}

/* model des */
#nb-summit .wtb__product .wtb__product-model-des {
    color: #e4c492;
    font-size: 0.8em;
    position: absolute;
    left: 18vw;
    top: 10vh;
}

/*                          section3. Your Mobile office on the go                        */
#nb-summit .mobile-office {
    position: relative;
    width: 100%;
    height: 100vh;
    background-color: #000000;
}

/* framework */
#nb-summit .mobile-office__left-block {
    float: left;
    width: 16%;
    height: 100vh;
}

#nb-summit .mobile-office__content {
    float: left;
    width: 68%;
    height: 100vh;
}

#nb-summit .mobile-office__right-block {
    float: left;
    width: 16%;
    height: 100vh;
}


/* middle block framework */
#nb-summit .mobile-office__top-block {
    width: 100%;
}

#nb-summit .mobile-office__middle-block {
    width: 100%;
    height: 72vh;
}

#nb-summit .mobile-office__bottom-block {
    width: 100%;
    height: 3vh;
}

/* title */
#nb-summit .mobile-office__content-title {
    color: #e9c79a;
    background: -webkit-linear-gradient(#c49f46 0,#e9c79a 50%,#d49543 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: bold;
    font-size: 3vw;
    margin-bottom: 5vh;
}


/* image box up wrapper */
#nb-summit .mobile-office__middle-block-half-wrapper {
    width: 100%;
    height: 36vh;
    display: flex;
    justify-content: center;
}

/* images box */
#nb-summit .mobile-office__middle-block .mobile-office__imgBox {
    width: 48%;
    height: 34vh;
    float: left;
    position:relative;
    z-index: 20;
    background-color: #e9c79a;
    outline: 1px solid #fff;
    outline-offset: -10px;
}


#nb-summit .mobile-office__middle-block .mobile-office__imgBox--marginR {
    margin: 0 0.5vw;
}

#nb-summit .mobile-office__middle-block .mobile-office__imgBox--marginL {
    margin: 0 0.5vw;
}

/* four frature images */
#nb-summit .mobile-office__middle-block .mobile-office__imgBox__img1 {
    background-image: url(https://storage-asset.msi.com/event/2020/nb/Summit-Series/images/feature/feature-pc1.jpg);
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

#nb-summit .mobile-office__middle-block .mobile-office__imgBox__img2 {
    background-image: url(https://storage-asset.msi.com/event/2020/nb/Summit-Series/images/feature/feature-pc2.jpg);
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

#nb-summit .mobile-office__middle-block .mobile-office__imgBox__img3 {
    background-image: url(https://storage-asset.msi.com/event/2020/nb/Summit-Series/images/feature/feature-pc3.jpg);
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

#nb-summit .mobile-office__middle-block .mobile-office__imgBox__img4 {
    background-image: url(https://storage-asset.msi.com/event/2020/nb/Summit-Series/images/feature/feature-pc4.jpg);
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

/* four feature images - content */
#nb-summit .mobile-office__middle-block .mobile-office__imgBox-content {
    position: relative;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.4);
}

/* four images - content - title */
#nb-summit .mobile-office__middle-block .mobile-office__imgBox-content-title {
    position: absolute; 
    font-weight: bold; 
    color: #fff; 
    text-shadow: 2px 2px 8px #181818;
}

#nb-summit .mobile-office__middle-block .mobile-office__imgBox-content-title-main {
    position: absolute; 
    font-size: 2vw; 
    font-family: "Roboto",Microsoft JhengHei;
    font-weight: 900;
}

#nb-summit .mobile-office__middle-block .mobile-office__imgBox-content-title-sub {
    position: absolute; 
    font-size: 1vw; 
    font-family: "Roboto",Microsoft JhengHei;
    font-weight: 900;
}

/* different title pos on feature images */
/* img1 - left up title */
#nb-summit .mobile-office__imgBox__img1 .mobile-office__imgBox-content-titleLeftUp1 {
    left: 2vw;
    top: 2vh;
}

#nb-summit .mobile-office__imgBox__img1 .mobile-office__imgBox-content-titleLeftUp2 {
    left: 2vw;
    top: 6.5vh;
}

/* img2 - right up title */
#nb-summit .mobile-office__imgBox__img2 .mobile-office__imgBox-content-titleRightUp1 {
    right: 2vw;
    top: 2vh;
}

#nb-summit .mobile-office__imgBox__img2 .mobile-office__imgBox-content-titleRightUp2 {
    right: 2vw;
    top: 6.5vh;
}

/* img2 - left down title */
#nb-summit .mobile-office__imgBox__img2 .mobile-office__imgBox-content-titleLeftDown1 {
    left: 2vw;
    top: 22.5vh;
}

#nb-summit .mobile-office__imgBox__img2 .mobile-office__imgBox-content-titleLeftDown2 {
    left: 2vw;
    top: 27vh;
}

/* img3 - left down title */
#nb-summit .mobile-office__imgBox__img3 .mobile-office__imgBox-content-titleLeftDown1 {
    left: 2vw;
    top: 17vh;
}

#nb-summit .mobile-office__imgBox__img3 .mobile-office__imgBox-content-titleLeftDown2 {
    left: 2vw;
    top: 19vh;
}

#nb-summit .mobile-office__imgBox__img3 .mobile-office__imgBox-content-titleLeftDown3 {
    left: 6.5vw;
    top: 20.5vh;
}

#nb-summit .mobile-office__imgBox__img3 .mobile-office__imgBox-content-titleLeftDown4 {
    left: 2vw;
    top: 24vh;
}

#nb-summit .mobile-office__imgBox__img3 .mobile-office__imgBox-content-titleLeftDown5 {
    left: 2vw;
    top: 27vh;
}

/* img3 - right down title */
#nb-summit .mobile-office__imgBox__img3 .mobile-office__imgBox-content-titleRightDown1 {
    right: 2vw;
    top: 21vh;
}

#nb-summit .mobile-office__imgBox__img3 .mobile-office__imgBox-content-titleRightDown2 {
    right: 2vw;
    top: 22.5vh;
}

#nb-summit .mobile-office__imgBox__img3 .mobile-office__imgBox-content-titleRightDown3 {
    right: 2vw;
    top: 27vh;
}

/* img4 - right down title */
#nb-summit .mobile-office__imgBox__img4 .mobile-office__imgBox-content-titleRightDown1 {
    right: 2vw; 
    top: 17vh;
}

#nb-summit .mobile-office__imgBox__img4 .mobile-office__imgBox-content-titleRightDown2 {
    right: 2vw; 
    top: 19vh;
}

#nb-summit .mobile-office__imgBox__img4 .mobile-office__imgBox-content-titleRightDown3 {
    right: 2vw; 
    top: 24vh;
}

#nb-summit .mobile-office__imgBox__img4 .mobile-office__imgBox-content-titleRightDown4 {
    right: 2vw; 
    top: 27vh;
}


/*                          section4. Innovative. And Secure.                        */

#nb-summit .item {
    position: relative;
    width: 100%;
    height: 100vh;
    background-color: #000000;
}

/* framework */
#nb-summit .item__left-block {
    float: left;
    width: 16%;
    height: 100vh;
}

#nb-summit .item__content {
    float: left;
    width: 68%;
    height: 100vh;
}

#nb-summit .item__right-block {
    float: left;
    width: 16%;
    height: 100vh;
}


#nb-summit .item__title-block {
    width: 100%;
}

#nb-summit .item__info-block {
    width: 68%;
    height: 75vh;
}

#nb-summit .item__title {
    color: #e9c79a;
    background: -webkit-linear-gradient(#c49f46 0,#e9c79a 50%,#d49543 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: bold;
    font-size: 3vw;
    padding-top: 5vh;
    margin-bottom: 2vh;
}

/* info box */
#nb-summit .item__info-wrapper {
    width: 100%;
    height: 70vh;
}

#nb-summit .item__info-block {
    width: 30%;
    height: 25vh;
    float: left;
    margin: 1vw;
}

#nb-summit .item__info-block-icon img {
    width: 6vw;
}

#nb-summit .item__info-block-title {
    font-size: 1.2vw;
    color: #eecd99;
    display: inline-block;
    font-weight: bold;
    padding: 1vh 0;
}

#nb-summit .item__info-block-des {
    font-size: 0.8vw;
    color: #eecd99;
}


/*                          section5. Why Choose Us?                        */
#nb-summit .articles {
    position: relative;
    width: 100%;
    background-color: #000000;
}

#nb-summit .articles__content-block {
    width: 68%; 
    margin: 0 auto;
}

#nb-summit .articles__title-block {
    width: 100%;
    /* height: 20vh; */
    /* background-color: rgb(112, 105, 104); */
}

#nb-summit .articles__title {
    color: #e9c79a;
    background: -webkit-linear-gradient(#c49f46 0,#e9c79a 50%,#d49543 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: bold;
    font-size: 4vw;
}

#nb-summit .articles__subTitle {
    color: #e9c79a;
    background: -webkit-linear-gradient(#c49f46 0,#e9c79a 50%,#d49543 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: bold;
    font-size: 2vw;
}

/* info block */
.products__info-wrapper {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
    flex-wrap: wrap;
}

#nb-summit .products__info-block {
    width: 31%;
    /* background-color: rgb(184, 54, 54); */
    margin: 2vh 0.5vw 0.5vh 0.5vw;
    border: 1px solid #eecd99;

}

#nb-summit .products__info-inner-wrapper {
    /* background-color: rgb(38, 35, 78); */
    margin: 0 auto;
    padding: 15px;
    display: block;
    text-decoration: none;
}

#nb-summit .products__info-block img {
    width: 100%;
}

#nb-summit .products__info-category {
    margin-top: 1vh;
}

#nb-summit .products__info-category span {
    font-size: 1vw;
    color: #ffffff;
    font-weight: bold;
    padding: 0.5vh 1vw;
    background-color: #c49f46; /* For browsers that do not support gradients */
    background-image: linear-gradient(#e9c79a, #c49f46);
}

#nb-summit .products__info-subTitle {
    float: left;
    font-size: 1vw;
    color: #eecd99;
    font-weight: bold;
    padding-top: 1vh;
    margin-right: 1vw;
}

#nb-summit .products__info-date {
    font-size: 1vw;
    color: #eecd99;
    padding-top: 1vh;
}

#nb-summit .products__info-title {
    font-size: 1.2vw;
    color: #eecd99;
    padding-top: 0.5vh;
    clear: both;
}

#nb-summit .products__info-des {
    font-size: 0.8vw;
    color: #eecd99;
    padding-top: 0.5vh;
}
#nb-summit .products__bottom-btn{
    display: flex;
    border:  1px solid #eecd994f;
    padding: 0px 40px;
    box-shadow: 2px 2px 2px #eecd994f,-1px -1px 2px #eecd99d2;
    cursor: pointer;
    transition: 0.7s;
    
}
#nb-summit .products__bottom-btn:hover{
    padding: 0px 0px;
    background: #c49f46;
}
#nb-summit .products__bottom{
    margin-top: 20px;
    width: 100%;
    display: flex;
    justify-content: center;
}
#nb-summit .products__bottom-btn span{
    font-size: 0.8vw;
    color:#eecd99;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 5px;
}
#nb-summit .products__bottom-btn span:hover {
    cursor: pointer;
}
#nb-summit .products__info-block--close{
    display: none;
}
#nb-summit .products__bottom-btn-svg{
    transition: 0.7s;
}
#nb-summit .products__info-block--more{
    animation: animated 1s ;
}

/*                          section6. video                        */
#nb-summit .video {
    position: relative;
    width: 100%;
    background-color: #000000;
}

#nb-summit .video__content-block {
    width: 68%; 
    margin: 0 auto;
}

#nb-summit .video__content-block a {
    text-decoration: none;
}

#nb-summit .video__title-block {
    width: 100%;
    padding-top: 20vh;
    margin-bottom: 5vh;
}

#nb-summit .video__title {
    color: #e9c79a;
    background: -webkit-linear-gradient(#c49f46 0,#e9c79a 50%,#d49543 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: bold;
    font-size: 3vw;
}

#nb-summit .video__video-wrapper {
    width: 100%;
    position: relative;
    z-index: 20;
}

#nb-summit .video__video-img-pc {
    display: flex;
}

#nb-summit .video__video-wrapper img {
    width: 100%;
}

#nb-summit .video__video-btn-block {
    background-color: #fff;
    padding: 1vh 0;
}

#nb-summit .video__video-btn-block a {
    text-decoration: none;
}

#nb-summit .video__video-btn-block:hover {
    cursor: pointer;
}

#nb-summit .video__video-btn {
    display: inline-block;
    margin-left: 2vw;
}

#nb-summit .video__video-btn img {
    width: 50%;
}

#nb-summit .video__video-text {
    display: inline-block;
    font-size: 1vw;
    color: #000;
}

/*                          section6. footer                        */
#nb-summit .footer {
    position: relative;
    width: 100%;
    background-image: url(https://storage-asset.msi.com/event/2020/nb/Summit-Series/images/footer-bg.jpg);
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
}

#nb-summit .footer__content-block {
    width: 80vw; 
    margin: 0 auto;
    padding: 20vh 0 16vh 0;
}

#nb-summit .footer__main-logo {
    text-align: center;
}

#nb-summit .footer__main-logo img {
    max-width: 100%;
}

#nb-summit .footer__main-content {
    display: flex;    
}

/* box1-3 */
#nb-summit .footer__sub-logo-box {
    width: 16%;
    margin-top: 10vh;
}

#nb-summit .footer-content-part1 {
    width: 42%;
    line-height: 1.6;  
}

#nb-summit .footer-content-part2 {
    width: 42%;
    line-height: 1.6;   
}

/* box content */
#nb-summit .footer__sub-logo-box .footer__sub-logo-up img {
    max-width: 100%;
    margin-bottom: 2vh;
}

#nb-summit .footer__sub-logo-box .footer__sub-logo img {
    max-width: 80%;
    margin-bottom: 2vh;
}

#nb-summit .footer__sub-logo-box .footer__sub-logo {
    text-align: center;
}

#nb-summit .footer-content-part1 {
    font-size: 13px;
    padding: 4vw 1.5vw;
}

#nb-summit .footer-content-part2 {
    font-size: 13px;
    padding: 4vw 1.5vw;
}

#nb-summit .footer__main-content p {
    color: rgb(170, 170, 170);
}

/*                          triangle decoration & cross title on section2                        */
/* triangle decoration */
/* WTB section*/
#nb-summit .trangle1 {
    position: absolute;
    transform: rotate(60deg);
    left: -12vw;
    top: 0;
    width: 22%;
    opacity: 0.4;
}

#nb-summit .trangle2 {
    position: absolute;
    transform: rotate(40deg);
    right: 0;
    bottom: 0;
    width: 25%;
    opacity: 0.4;
    z-index: 10;
}

/* feature section*/
#nb-summit .trangle3 {
    position: absolute;
    right: 14vw;
    top: 5vh;
    width: 15%;
    opacity: 0.4;
    z-index: 10;
}

/* innovative and secure section */
#nb-summit .trangle4 {
    position: absolute;
    transform: rotate(-10deg);
    right: 12vw;
    bottom: -5vh;
    width: 20%;
    opacity: 0.4;
    z-index: 10;
}

/* why choose us section */
#nb-summit .trangle5 {
    position: absolute;
    transform: rotate(45deg);
    right: 20vw;
    top: -11vh;
    width: 15%;
    opacity: 0.4;
    z-index: 10;
}

#nb-summit .trangle6 {
    position: absolute;
    transform: rotate(-15deg);
    left: -10vw;
    top: 25vh;
    width: 18%;
    opacity: 0.4;
    z-index: 10;
}

#nb-summit .trangle7 {
    position: absolute;
    transform: rotate(35deg);
    right: -2vw;
    bottom: -15vh;
    width: 24%;
    opacity: 0.4;
    z-index: 10;
}

#nb-summit .trangle8 {
    position: absolute;
    transform: rotate(45deg);
    right: 10vw;
    bottom: -10vh;
    width: 16%;
    opacity: 0.4;
    z-index: 10;
}


/* cross title */
#nb-summit .summit__bgword {
    position: absolute;
    right: 0;
    bottom: 0;
    font-size: 200px;
    line-height: 1.2;
    font-weight: bold;
    opacity: 0.4;
    color: #fff;
    text-align: right;
    background-image: -webkit-linear-gradient(#eee, #333);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

#nb-summit .wtb__cross-title {
    color: #e9c79a;
    font-size: 6vw;
    font-weight: bold;
    text-align: right;
    line-height: 0.9em;
}


/* section2 - open sku modal */
.modal {
    max-width: 80%;
    font-family: "CenturyGothic", "Microsoft JhengHei", "Meiryo UI";
    padding: 0;
    border: 2px solid #E0B276;
    border-radius: 0;
}

.wtb-modal__inner-wrapper {
    width: calc(100% - 40px);
    padding: 15px 20px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.wtb-modal__content-box {
    width: 31%;
    background-color: rgb(255, 255, 255);
    margin: 1vh 0.5vw;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    align-self: start;
}

/* up - sku */
.wtb-modal__sku-info-wrapper {
    height: auto;
    padding: 1vh 1vw;
    width: 100%;
}

.wtb-modal__sku-title {
    font-size: 1.4vw;
    color: #000000;
    font-weight: bold;
    font-family: "CenturyGothic", "Microsoft JhengHei", "Meiryo UI";
    margin: 1vh 0;
}

.wtb-modal__sku-feature {
    font-size: 1vw;
    line-height: 2em;
    font-family: "CenturyGothic", "Microsoft JhengHei", "Meiryo UI";
    color: #555;
}

.wtb-modal__sku-feature::before{
    content: "•";
    color: #ccc;
    margin-right: 5px;
}

.wtb-modal__sku-buy-btn-box {
    padding: 0.5vh 2vw;
    text-align: center;
    font-size: 1vw;
    font-weight: bold;
    margin: 1vh 0;
    background-color: #c49f46;
    background-image: linear-gradient(#e9c79a, #c49f46);
}

/* down - logo&buy now button */
.wtb-modal__buy-info-wrapper {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    text-align: center;
    border-bottom: 1px solid rgb(211, 211, 211);
    margin-top: 2vh;
}

.wtb-modal__buy-logo-box {
    width: 20%;
}

.wtb-modal__buy-stock-status-box {
    width: 35%;
}

.wtb-modal__buy-btn-box {
    width: 36%;
    text-align: center;
    color: #fff;
}

.wtb-modal__buy-logo-box img {
    width: 100%;
}

.wtb-modal__buy-stock-status-text {
    position: relative;
    top: 50%; 
    transform: translateY(-50%); 
    font-size: 1vw;
    padding: 0.5vh 0;
}

.wtb-modal__buy-btn-text {
    position: relative;
    top: 50%; 
    transform: translateY(-50%); 
    font-size: 0.6vw;
    padding: 0.5vh 0;
    background: rgb(44, 44, 44);
}

.wtb-modal__content-box .wtb__btn-link{
    width: calc( 50% - 7px );
    display: block;
    border: 1px  solid #ccc;
    margin-top: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    text-decoration: none;
    height: 40px;
    transition: 0.7s;
    max-height: 80px;
    overflow: hidden;
}
.wtb-modal__content-box .wtb__btn-link:hover{
    opacity: 0.5;
}
.wtb-modal__content-box .wtb__btn-link span{
    color: #000;
    font-family: "CenturyGothic", "Microsoft JhengHei", "Meiryo UI";
    font-weight: 700;
    letter-spacing: 2px;
}
.wtb__btn-link img{
    width: auto;
    height: 100%;
}
.wtb__btn-link--more{
    overflow: hidden;
}
.wtb__btn-link--more--show{
    max-height: 0 !important;
    border: 1px  solid transparent !important;
    margin-top: 0px !important;
}
.wtb__btn-more span{
    background: -webkit-linear-gradient(#c49f46 0,#e9c79a 50%,#d49543 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-family: "CenturyGothic", "Microsoft JhengHei", "Meiryo UI";

    font-weight: bold;
    font-size: 16px;
    line-height: 1;
    margin-left: 10px;
}
.wtb__btn-more-svg{
    transition: 1s;
}
.wtb__btn-more--click .wtb__btn-more-svg{
    transform: rotate(180deg);
}
.wtb__btn-more{
    display: flex;
    align-items: center;
    margin-top: 10px;
}
.wtb__btn-more:hover {
    cursor: pointer;
}
.wtb__title{
    width: 100%;
    font-family: "CenturyGothic", "Microsoft JhengHei", "Meiryo UI";
    font-weight: 900;
    font-size: 20px;
    background: #000000;

    color: #E0B276;
    border-bottom: 3px solid #E0B276;
    text-align: center;
    padding: 1vh 0;
}
/* self-maintain-version */
.self-maintain-version .wtb-modal__buy-info-wrapper {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
}
.modal a.close-modal{
    position: absolute;
    right: 0;
    top: 0;
    width: 40px;
    height: 40px;
}
@media (max-width: 1300px){
    .wtb-modal__content-box{
        width: 60%;
    }
    .wtb__title{
        font-size: 32px;
    }
    .modal a.close-modal{
        width: 30px;
        height: 30px;
    }
 
}
@media (max-width: 991px){
    .wtb-modal__content-box{
        width: 80%;
    }
    .wtb__title{
        font-size: 26px;
    }
}
@media (max-width: 675px){
    .wtb-modal__content-box{
        width: 100%;
    }
    .wtb__title{
        font-size: 20px;
    }
    .wtb-modal__content-box .wtb__btn-link{
        height: 30px;
    }
    .wtb-modal__content-box .wtb__btn-link span{
        font-size: 12px;
    }

}

/* self-maintain-version */
.self-maintain-version .wtb-modal__buy-info-wrapper {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
}


/*                          animation                        */
/* laptop hover transform */
#nb-summit  .wtb__product-img-E14 {
    opacity: 1;
    transition: 0.5s ease-in-out;
}

#nb-summit  .wtb__product-img-E15 {
    display: none;
    opacity: 1;
    transition: 0.5s ease-in-out;
}

#nb-summit  .wtb__product-img-B14 {
    display: none;
    opacity: 1;
    transition: 0.5s ease-in-out;
}

#nb-summit  .wtb__product-img-B15 {
    display: none;
    opacity: 1;
    transition: 0.5s ease-in-out;
}

.syncMove {
    opacity: 0.5;
    transform: translateY(-10px)
}

@keyframes animated {
    0% { 
        opacity: 0;
     }
    100% { 
        opacity: 1;
        
     }
}

/*                          media query                        */
@media only screen and (min-width: 2560px) {
    /*                          section1. kv                        */
    #nb-summit .kv__logo img {
        width: 6vw;
    }

    #nb-summit .kv__title-main {
        font-size: 4vw;
    }

    #nb-summit .kv__title-sub {
        font-size: 1.4vw;
    }

    #nb-summit .kv__btn {
        font-size: 0.6vw;
    }

    /*                          section2. WTB - Summit Series                        */
    /* framework */
    #nb-summit .wtb__left-block {
        width: 25%;
    }

    #nb-summit .wtb__content {
        width: 25%;
    }

    #nb-summit .wtb__product {
        width: 25%;
    }

    #nb-summit .wtb__right-block {
        width: 25%;
    }

    #nb-summit .wtb__content-title {
        font-size: 1.8vw;
    }

    #nb-summit .wtb__content-des {
        font-size: 0.6vw;
    }

    #nb-summit .wtb__content-des-more {
        font-size: 0.6vw;
    }

    #nb-summit .wtb__content-spec-title {
        font-size: 1vw;
    }

    #nb-summit .wtb__content-spec-info .wtb__content-spec-sub-E {
        font-size: 0.8vw;
        margin-top: 2vh;
        margin-bottom: 2vh;
    }

    #nb-summit .wtb__content-spec-info .wtb__content-spec-sub-B {
        font-size: 0.8vw;
        margin-top: 2vh;
        margin-bottom: 2vh;
    }

    .modelbtn {
        width: 60px;
        height: 60px;
    }

    .modelbtn span {
        font-size: 0.7vw;
    }

    #nb-summit .wtb__product .wtb__product-img img {
        width: 60%;
    }

    #nb-summit .wtb__cross-title {
        font-size: 5vw;
    }

    .modal {
        max-width: 50%;
    }

    /*                          section3. Your Mobile office on the go                       */
    /* framework */
    #nb-summit .mobile-office__left-block {
        width: 25%;
    }

    #nb-summit .mobile-office__content {
        width: 50%;
    }

    #nb-summit .mobile-office__right-block {
        width: 25%;
    }

    #nb-summit .mobile-office__content-title {
        font-size: 1.8vw;
        margin: 5vh 0;
    }

    #nb-summit .mobile-office__middle-block .mobile-office__imgBox-content-title-main {
        font-size: 1.2vw;
    }

    #nb-summit .mobile-office__middle-block .mobile-office__imgBox-content-title-sub {
        font-size: 0.8vw;
    }

    #nb-summit .mobile-office__middle-block .mobile-office__imgBox-content {
        background: rgba(0,0,0,0.6);
    }

    /* different title pos on feature images */
    /* img1 */
    #nb-summit .mobile-office__imgBox__img1 .mobile-office__imgBox-content-titleLeftUp2 {
        top: 5.5vh;
    }

    /* img2 */
    #nb-summit .mobile-office__imgBox__img2 .mobile-office__imgBox-content-titleRightUp2 {
        top: 5.5vh;
    }

    #nb-summit .mobile-office__imgBox__img2 .mobile-office__imgBox-content-titleLeftDown2 {
        top: 29vh;
    }

    #nb-summit .mobile-office__imgBox__img2 .mobile-office__imgBox-content-titleLeftDown1 {
        top: 25.5vh;
    }

    /* img3 */
    #nb-summit .mobile-office__imgBox__img3 .mobile-office__imgBox-content-titleLeftDown5 {
        top: 29vh;
    }

    #nb-summit .mobile-office__imgBox__img3 .mobile-office__imgBox-content-titleLeftDown4 {
        top: 26.5vh;
    }

    #nb-summit .mobile-office__imgBox__img3 .mobile-office__imgBox-content-titleLeftDown2 {
        top: 22.5vh;
    }

    #nb-summit .mobile-office__imgBox__img3 .mobile-office__imgBox-content-titleLeftDown3 {
        left: 4.5vw;
        top: 23.5vh;
    }

    #nb-summit .mobile-office__imgBox__img3 .mobile-office__imgBox-content-titleLeftDown1 {
        top: 20vh;
    }

    #nb-summit .mobile-office__imgBox__img3 .mobile-office__imgBox-content-titleRightDown3 {
        top: 29vh;
    }

    #nb-summit .mobile-office__imgBox__img3 .mobile-office__imgBox-content-titleRightDown2 {
        top: 25.5vh;
    }

    #nb-summit .mobile-office__imgBox__img3 .mobile-office__imgBox-content-titleRightDown1 {
        top: 23vh;
    }

    /* img4 */
    #nb-summit .mobile-office__imgBox__img4 .mobile-office__imgBox-content-titleRightDown4 {
        top: 29vh;
    }

    #nb-summit .mobile-office__imgBox__img4 .mobile-office__imgBox-content-titleRightDown3 {
        top: 26.5vh;
    }

    #nb-summit .mobile-office__imgBox__img4 .mobile-office__imgBox-content-titleRightDown2 {
        top: 22.5vh;
    }

    #nb-summit .mobile-office__imgBox__img4 .mobile-office__imgBox-content-titleRightDown1 {
        top: 22vh;
    }

    /*                          section4. Innovative. And Secure.                      */
    /* framework */
    #nb-summit .item__left-block {
        width: 25%;
    }

    #nb-summit .item__content {
        width: 50%;
    }

    #nb-summit .item__right-block {
        width: 25%;
    }

    #nb-summit .item__title {
        font-size: 1.8vw;
        margin: 2vh 0;
    }

    #nb-summit .item__info-block {
        width: 25%;
    }

    #nb-summit .item__info-block-icon img {
        width: 4vw;
    }

    #nb-summit .item__info-block-title {
        font-size: 0.8vw;
    }

    #nb-summit .item__info-block-des {
        font-size: 0.5vw;
    }


    /*                          section5. Why Choose Us?                      */
    #nb-summit .articles__content-block {
        width: 50%;
    }

    #nb-summit .articles__title-block {
        margin-bottom: 2vh;
    }

    #nb-summit .articles__title {
        font-size: 1.8vw;
    }

    #nb-summit .articles__subTitle {
        font-size: 1.2vw;
    }

    #nb-summit .products__info-category span {
        font-size: 0.5vw;
    }

    #nb-summit .products__info-subTitle {
        font-size: 0.6vw;
    }

    #nb-summit .products__info-date {
        font-size: 0.6vw;
    }

    #nb-summit .products__info-title {
        font-size: 0.8vw;
    }

    #nb-summit .products__info-des {
        font-size: 0.5vw;
    }

    #nb-summit .articles__learn-more {
        font-size: 0.6vw;
    }

    /*                          section6. video                      */
    #nb-summit .video {
        padding-bottom: 20vh;
    }

    #nb-summit .video__content-block {
        width: 50%;
    }

    #nb-summit .video__title {
        font-size: 1.8vw;
        margin: 5vh 0;
    }

    #nb-summit .video__video-wrapper {
        width: 80%;
        margin: 0 auto;
    }

    #nb-summit .video__video-btn-block {
        width: 80%;
        margin: 0 auto;
    }

    #nb-summit .video__video-text {
        font-size: 0.6vw;
    }

    /*                          section7. footer                      */
    #nb-summit .footer__content-block {
        width: 50%;
    }
}

@media only screen and (max-width: 768px) {
    #nb-summit {
        overflow: hidden;
    }
    
    /*                          section2. WTB - Summit Series                        */
    #nb-summit .wtb {
        width: 100%;
        height: auto;
        background-color: #000;
        overflow: hidden;
    }
    
    #nb-summit .wtb__content {
        width: 100%;
        height: auto;
        background-color: #000;
        overflow: hidden;
    }
    
    /* framework */
    #nb-summit .wtb__left-block {
        display: none;
    }
    
    #nb-summit .wtb__right-block {
        display: none;
    }
    
    #nb-summit .wtb__product {
        clear: both;
        width: 100%;
        height: auto;
    }
    
    #nb-summit .wtb__content-inner-wrapper {
        width: 90%;
        height: auto;
        transform: initial;
        position: unset;
        margin: 0 auto;
    }
    
    #nb-summit .wtb__content-title {
        font-size: 1.8em;
        padding-top: 5vh;
    }
    
    #nb-summit .wtb__content-des {
        font-size: 0.8em;
    }
    
    #nb-summit .wtb__content-des-more {
        font-size: 0.8em;
    }
    
    /* spec */
    #nb-summit .wtb__content-spec-title {
        font-size: 1em;
    }
    
    /* diamond button */
    #nb-summit .wtb__content-spec-info .wtb__content-spec-sub {
        font-size: 0.6em;
    }
    
    
    #nb-summit .wtb__content-spec-icon .wtb__content-spec__model-btn {
        margin: 0 0.6em;
    }
    
    .modelbtn {
        width: 40px;
        height: 40px;
    }
    
    /* laptop */
    #nb-summit .wtb__product .wtb__product-img {
        text-align: center;
    }
    
    #nb-summit .wtb__product .wtb__product-img img {
        width: 40%;
    }
    
    #nb-summit .wtb__product .wtb__product-model-des {
        right: 20vw;
        top: 5vh;
        left: initial;
        font-size: 0.8em;
    }
    
    
    /*                          section3. Your Mobile office on the go                       */
    #nb-summit .mobile-office {
        margin: 0 auto;
        display: flex;
        justify-content: center;
    }
    
    /* framework */
    #nb-summit .mobile-office__left-block {
        display: none;
    }
    
    #nb-summit .mobile-office__right-block {
        display: none;
    }
    
    #nb-summit .mobile-office__content {
        width: 90%;
        height: auto;
    }
    
    #nb-summit .mobile-office__imgBox__img3 .mobile-office__imgBox-content-titleLeftDown1 {
        top: 15vh;
    }
    
    #nb-summit .mobile-office__imgBox__img3 .mobile-office__imgBox-content-titleRightDown1 {
        top: 19vh;
    }
    
    #nb-summit .mobile-office__imgBox__img4 .mobile-office__imgBox-content-titleRightDown1 {
        top: 15vh;
    }
    
    #nb-summit .mobile-office__content-title {
        font-size: 1.8em;
        padding-top: 10vh;
        padding-bottom: 5vh;
    }
    
    /*                          section4. Innovative. And Secure.                      */
    #nb-summit .item {
        margin: 0 auto;
        display: flex;
        justify-content: center;
    }
    
    /* framework */
    #nb-summit .item__left-block {
        display: none;
    }
    
    #nb-summit .item__right-block {
        display: none;
    }
    
    #nb-summit .item__content {
        width: 90%;
        height: auto;
    }
    
    #nb-summit .item__info-block {
        height: 35vh;
    }
    
    #nb-summit .item__title {
        font-size: 1.8em;
        padding-top: 10vh;
        padding-bottom: 5vh;
    }
    
    #nb-summit .item__info-block-icon img {
        width: 10vw;
    }
    
    /*                          section5. Why Choose Us?                      */
    #nb-summit .articles__content-block {
        width: 100%;
    }
    
    #nb-summit .articles__title-block {
        width: 90%;
        height: auto;
        margin: 0 auto;
        padding-bottom: 4vh;
        padding-top: 10vh;
    }
    
    /* title */
    #nb-summit .articles__title {
        font-size: 1.8em;
    }
    
    #nb-summit .articles__subTitle {
        font-size: 1.2em;
    }
    
    /* box */
    #nb-summit .products__info-wrapper {
        justify-content: center;
        padding: 10px;
    }
    
    #nb-summit .products__info-block {
        clear: both;
        width: 90%;
        border: 0;
    }
    
    #nb-summit .products__info-category {
        margin-top: 0;
        line-height: 1.2;
    }
    
    #nb-summit .products__info-category span {
        font-size: 0.7em;
        padding: 0.5vh 4vw;
    }
    
    #nb-summit .products__info-subTitle {
        font-size: 0.8em;
        margin-right: 4vw;
    }
    
    #nb-summit .products__info-date {
        font-size: 0.7em;
    }
    
    #nb-summit .products__info-title {
        font-size: 0.7em;
    }
    
    #nb-summit .products__info-des {
        font-size: 0.6em;
        line-height: 1.4;
        font-weight: bold;
    }
    
    #nb-summit .products__info-inner-wrapper {
        display: flex;
        border: none;
        border-bottom: 1px solid #eecd99;
        padding: 10px 0;
    }
    
    #nb-summit .products__info-inner-img-m {
        width: 120px;
        height: 90px;
        background-image: url(https://storage-asset.msi.com/event/2020/nb/Summit-Series/images/article/article-m1.jpg);
        background-position: center;
        background-size: cover;
        background-repeat: no-repeat;
        margin-right: 15px;
    }
    
    #nb-summit .articles__learn-more { 
        width: 10%;
        font-size: 0.6em;
        padding: 1vh 2vw;
    }
    
    
    
    /*                          section6. video                      */
    #nb-summit .video__content-block {
        width: 100%;
        height: auto;
        background-color: #000;
    }
    
    
    #nb-summit .video__title-block {
        width: 90%;
        margin: 0 auto;
        height: auto;
        padding-top: 10vh;
        padding-bottom: 4vh;
    }
    
    #nb-summit .video__title {
        font-size: 1.8em;
    }
    
    #nb-summit .video__video-wrapper {
        width: 70%;
        margin: 0 auto;
    }
    
    #nb-summit .video__video-btn-block {
        width: 70%;
        margin: 0 auto;
        background: rgb(214, 214, 214);
        padding: 0;
    }
    
    #nb-summit .video__video-btn img {
        width: 60%;
    }
    
    #nb-summit .video__video-text {
        font-size: 0.8em;
    }
    
    
    /*                          section7. footer                      */
    #nb-summit .footer__content-block {
        width: 100%;
        height: auto;
    }
    
    #nb-summit .footer__main-content {
        display: initial;
    }
    
    #nb-summit .footer__sub-logo-box {
        width: 40%;
        margin: 0 auto;
        padding-top: 4vh;
    }
    
    #nb-summit .footer-content-part1 {
        width: 90%;
        margin: 0 auto;
        padding: 0;
    }
    
    #nb-summit .footer-content-part2 {
        width: 90%;
        margin: 0 auto;
        padding: 0;
    }
    
    /* section2 - open sku modal */
    .modal {
        max-width: 100%;
    }
    
    .wtb-modal__inner-wrapper {
        height: auto;
        display: block;
    }
    
    .wtb-modal__content-box {
        width: 100%;
        margin: 1vh 0vw 5vh 0;
    }
    
    .wtb-modal__sku-info-wrapper {
        padding: 2vh 2vw;
    }
    
    .wtb-modal__sku-title {
        font-size: 1em;
    }
    
    .wtb-modal__sku-feature {
        line-height: 1.6;
        font-size: 0.6em;
    }
    
    .wtb-modal__buy-logo-box {
        width: 20%;
    }
    
    /*                          section7. footer                      */
    #nb-summit .footer__main-logo img {
        width: 15%;
    }
    
    .footer__sub-logo-box .footer__sub-logo img {
        width: 50%;
    }    
}

@media only screen and (max-width: 480px) {
    /*                          controller                       */
    #nb-summit .kv__hl-m {
        display: block;
    } 
    
    #nb-summit .kv__decoration-mask {
        display: none;
    }
    
    /* article pc img */
    .products__info-inner-img-m img {
        display: none;
    }
    
    
    /* cross title */
    #nb-summit .kv__vl {
        display: none;
    }
    
    #nb-summit .wtb__cross-title-wrapper {
        display: none;
    }
    
    /* triangle */
    #nb-summit .triangle1 {
        display: none;
    }
    
    #nb-summit .triangle2 {
        display: none;
    }
    
    #nb-summit .triangle3 {
        display: none;
    }
    
    #nb-summit .triangle4 {
        display: none;
    }
    
    #nb-summit .triangle5 {
        display: none;
    }
    
    #nb-summit .triangle6 {
        display: none;
    }
    
    #nb-summit .triangle7 {
        display: none;
    }
    
    #nb-summit .triangle8 {
        display: none;
    }
    
    /* video */
    #nb-summit .video__video-img-mobile {
        display: block;
    }
    
    #nb-summit .video__video-img-pc {
        display: none;
    }
    
    /*                          section1. kv                        */
    #nb-summit .kv {
        position: relative;
        background-image: url(.https://storage-asset.msi.com/event/2020/nb/Summit-Series/images/kv/kv-m.jpg);
        background-position: center;
        background-size: cover;
        background-repeat: no-repeat;
        width: 100%;
        height: 100vh;
    }
    
    #nb-summit .kv__intel {
        top: 0;
    }
    
    #nb-summit .kv__intel-icon {
        position: absolute;
        right: 0;
        top: 5vh;
    }
    
    #nb-summit .kv__text-wrapper {
        top: 60%;
        left: 5%;
        width: 90%;
        text-align: center;
    }
    
    #nb-summit .kv__title-main {
        font-size: 2.2em;
        margin: 0 auto;
        display: inline-block;
        padding: 0 0.1em;
    }
    
    #nb-summit .kv__intel-text {
        padding-right: 0;
        position: absolute;
        right: 0;
        top: 18vh;
        width: 200px;
        color: rgb(255, 255, 255);
        line-height: 1.4;
        text-shadow: 2px 2px 4px #000000;
    }
    
    
    #nb-summit .kv__decoration-title {
        display: none;
    }
    
    #nb-summit .kv__intel {
        display: block;
    }
    
    #nb-summit .kv__logo img {
        width: 20vw;
    }
    
    #nb-summit .kv__title-sub-m {
        margin: 0.8em 0;
        display: block;
    }
    
    #nb-summit .kv__title-sub {
        font-size: 0.8em;
    }
    
    #nb-summit .kv__title-third {
        font-size: 1em;
    }
    
    #nb-summit .kv__hl-m {
        width: 5%; 
        text-align: center; 
        border: 1px solid #fce1a0;
    }
    
    #nb-summit .kv__btn {
        font-size: 0.6em;
    }
    
    /*                          section2. WTB - Summit Series                        */
    /* spec */
    #nb-summit .wtb__content-spec-title {
        padding-top: 4vh;
    }
    
    /* diamond button */
    #nb-summit .wtb__content-spec-info .wtb__content-spec-sub-E {
        font-size: 0.7em;
    }
    
    #nb-summit .wtb__content-spec-info .wtb__content-spec-sub-B {
        font-size: 0.7em;
    }
    
    #nb-summit .wtb__content-spec-icon {
        margin: 0 0.2em;
    }
    
    .modelbtn span {
        font-size: 0.8em;
    }
    
    /* laptop */
    #nb-summit .wtb__product .wtb__product-img {
        margin-top: 6vh;
    }
    
    #nb-summit .wtb__product .wtb__product-img img {
        width: 60%;
    }
    
    #nb-summit .wtb__product .wtb__product-model-des {
        right: 4vw;
        top: 2vh;
        left: initial;
        font-size: 0.8em;
    }
    
    
    /*                          section3. Your Mobile office on the go                       */
    #nb-summit .mobile-office {
        clear: both;
        width: 100%;
        height: auto;
        background-color: #000;
        overflow: hidden;
    }
    /* framework */
    .mobile-office__left-block {
        display: none;
    }
    
    .mobile-office__right-block {
        display: none;
    }
    
    #nb-summit .mobile-office__content {
        width: 100%;
    }
    
    #nb-summit .mobile-office__content-title {
        margin-bottom: 0;
    }
    
    #nb-summit .mobile-office__top-block {
        width: 95%;
        height: auto;
        margin: 0 auto;
        padding-top: 10vh;
        padding-bottom: 0;
    }
    
    #nb-summit .mobile-office__middle-block-half-wrapper {
        display: flex;
        flex-wrap: wrap;
    }
    
    #nb-summit .mobile-office__middle-block .mobile-office__imgBox {
        width: 95%;
        height: 24vh;
        margin-bottom: 2vh;
    }
    
    #nb-summit .mobile-office__middle-block {
        height: auto;
    }
    
    #nb-summit .mobile-office__middle-block-half-wrapper {
        height: auto;
    }
    
    /* four feature images */
    #nb-summit .mobile-office__middle-block .mobile-office__imgBox__img1 {
        background-image: url(https://storage-asset.msi.com/event/2020/nb/Summit-Series/images/feature/feature-m1.jpg);
    }
    
    #nb-summit .mobile-office__middle-block .mobile-office__imgBox__img2 {
        background-image: url(https://storage-asset.msi.com/event/2020/nb/Summit-Series/images/feature/feature-m2.jpg);
        background-position: center;
        background-repeat: no-repeat;
        background-size: cover;
    }
    
    #nb-summit .mobile-office__middle-block .mobile-office__imgBox__img3 {
        background-image: url(https://storage-asset.msi.com/event/2020/nb/Summit-Series/images/feature/feature-m3.jpg);
        background-position: center;
        background-repeat: no-repeat;
        background-size: cover;
    }
    
    #nb-summit .mobile-office__middle-block .mobile-office__imgBox__img4 {
        background-image: url(https://storage-asset.msi.com/event/2020/nb/Summit-Series/images/feature/feature-m4.jpg);
        background-position: center;
        background-repeat: no-repeat;
        background-size: cover;
    }
    
    /* different title pos on feature images */
    #nb-summit .mobile-office__middle-block .mobile-office__imgBox-content-title-main {
        font-size: 1.2em;
    }
    
    #nb-summit .mobile-office__middle-block .mobile-office__imgBox-content-title-sub {
        font-size: 0.8em;
    }
    
    /* img1 - left up title */
    #nb-summit .mobile-office__imgBox__img1 .mobile-office__imgBox-content-titleLeftUp1 {
        left: 6vw;
        top: 2vh;
    }
    
    /* img1 - left up title */
    #nb-summit .mobile-office__imgBox__img1 .mobile-office__imgBox-content-titleLeftUp2 {
        top: 6vh;
        left: 6vw;
    }
    
    /* img2 - right up title*/
    #nb-summit .mobile-office__imgBox__img2 .mobile-office__imgBox-content-titleRightUp1 {
        right: 8vw;
    }
    
    /* img2 - right up title */
    #nb-summit .mobile-office__imgBox__img2 .mobile-office__imgBox-content-titleRightUp2 {
        top: 6vh;
        right: 8vw;
    }
    
    /* img2 - left down title */
    #nb-summit .mobile-office__imgBox__img2 .mobile-office__imgBox-content-titleLeftDown1 {
        top: 14vh;
        left: 6vw;
    }
    
    #nb-summit .mobile-office__imgBox__img2 .mobile-office__imgBox-content-titleLeftDown2 {
        top: 18vh;
        left: 6vw;
    }
    
    /* img3 - left down title */
    #nb-summit .mobile-office__imgBox__img3 .mobile-office__imgBox-content-titleLeftDown1 {
        top: 8.5vh;
        left: 6vw;
    }
    
    #nb-summit .mobile-office__imgBox__img3 .mobile-office__imgBox-content-titleLeftDown2 {
        top: 11vh;
        left: 6vw;
    }
    
    #nb-summit .mobile-office__imgBox__img3 .mobile-office__imgBox-content-titleLeftDown3 {
        top: 15vh;
        left: 6vw;
    }
    
    #nb-summit .mobile-office__imgBox__img3 .mobile-office__imgBox-content-titleLeftDown4 {
        top: 18vh;
        left: 6vw;
    }
    
    
    #nb-summit .mobile-office__imgBox__img3 .mobile-office__imgBox-content-titleLeftDown5 {
        left: 6vw;
        top: 27vh;
    }
    
    /* img3 - right down title */
    #nb-summit .mobile-office__imgBox__img3 .mobile-office__imgBox-content-titleRightDown1 {
        right: 8vw;
        top: 3vh;
    }
    
    /* img3 - right down to uptitle */
    #nb-summit .mobile-office__imgBox__img3 .mobile-office__imgBox-content-titleRightDown2 {
        top: 5.5vh;
        right: 8vw;
    }
    
    #nb-summit .mobile-office__imgBox__img3 .mobile-office__imgBox-content-titleRightDown3 {
        top: 9.5vh;
        right: 8vw;
    }
    
    /* img4 - right down title */
    #nb-summit .mobile-office__imgBox__img4 .mobile-office__imgBox-content-titleRightDown1 {
        top: 8.5vh;
        right: 8vw;
    }
    
    #nb-summit .mobile-office__imgBox__img4 .mobile-office__imgBox-content-titleRightDown2 {
        top: 11vh;
        right: 8vw;
    }
    
    #nb-summit .mobile-office__imgBox__img4 .mobile-office__imgBox-content-titleRightDown3 {
        top: 15vh;
        right: 8vw;
    }
    
    #nb-summit .mobile-office__imgBox__img4 .mobile-office__imgBox-content-titleRightDown4 {
        top: 18vh;
        right: 8vw;
    }
    
    
    /*                          section4. Innovative. And Secure.                      */
    #nb-summit .item {
        clear: both;
        width: 100%;
        height: auto;
        overflow: hidden;
    }
    
    #nb-summit .articles {
        clear: both;
        width: 100%;
    }
    
    /* framework */
    #nb-summit .item__content {
        width: 100%;
    }
    
    #nb-summit .item__title-block {
        width: 95%;
        margin: 0 auto;
        height: auto;
        padding-bottom: 0;
        padding-top: 10vh;
    }
    
    #nb-summit .item__title {
        font-size: 1.8em;
        padding-top: 0;
        padding-bottom: 0;
    }
    
    #nb-summit .item__info-wrapper {
        width: 95%;
        margin: 0 auto;
    }
    
    #nb-summit .item__info-block {
        width: 50%;
        margin: 0 auto;
        padding-top: 2vh;
        padding-bottom: 2vh;
    }
    
    #nb-summit .item__info-block-icon img {
        width: 60%;
    }
    
    #nb-summit .item__info-block-title {
        font-size: 0.8em;
        font-weight: bold;
        line-height: 1.2em;
    }
    
    #nb-summit .item__info-block-des {
        font-size: 0.6em;
        font-weight: bold;
        margin-top: 0.5em;
    }
    
    
    
    /*                          section5. Why Choose Us?                      */
    #nb-summit .articles__title-block {
        width: 95%;
    }
    
    #nb-summit .articles__learn-more { 
        width: 30%;
        font-size: 0.7em;
        padding: 1vh;
    }

    #nb-summit .products__bottom-btn span {
        font-size: 0.6em;
    }
    
    
    /*                          section6. video                      */
    #nb-summit .video__title-block {
        width: 95%;
    }
    
    #nb-summit .video__video-wrapper {
        width: 95%;
    }
    
    #nb-summit .video__video-btn-block {
        width: 95%;
        padding: 0.5vh 0;
    }
    
    /*                          section7. footer                      */
    #nb-summit .footer__main-logo img {
        width: 25%;
    }
    
    #nb-summit .footer__sub-logo-box .footer__sub-logo img {
        width: 80%;
    }
    
    /* section2 - open sku modal */
    .modal {
        width: 100%;
    }
    
    .wtb-modal__inner-wrapper {
        height: auto;
        display: block;
        padding: 1vh 1vw;
    }
    
    .wtb-modal__content-box {
        width: 100%;
        margin: 1vh 0vw 5vh 0;
    }
    .wtb-modal__sku-info-wrapper {
        padding: 2vh 5vw;
    }
    
    .wtb-modal__sku-feature {
        line-height: 1.6;
        font-size: 0.9em;
    }
    
    .wtb-modal__sku-buy-btn-box {
        font-size: 0.9em;
    }
    
    .wtb-modal__sku-title {
        font-size: 1.2em;
    }
    
    .wtb-modal__buy-now {
        font-size: 0.9em;
    }
    
    .wtb-modal__buy-btn-text {
        font-size: 0.9em;
    }
    
    .wtb-modal__buy-btn-text-white {
        font-size: 0.9em;
    }
    
    .wtb-modal__buy-stock-status-text {
        font-size: 1em;
    }    
}

@media only screen and (max-width: 320px) {
    #nb-summit .kv__title-main {
        font-size: 2em;
    }

    /* diamond button */
    #nb-summit .wtb__content-spec-icon {
        margin: 0 0.1em;
    }

    #nb-summit .wtb__content-spec-info .wtb__content-spec-sub-B {
        font-size: 0.5em;
    }    
}